88 . Const. P. 4754/2014 (D.B.) Nabi Hussain and Ors V/S M.D KW & SB and Ors Sindh Higher Courtroom, Karachi 2025 SHC KHI 391 Upgradation with retrospective effect" refers to some condition in which an staff's pay scale is amplified to an increased level, with no transform in their duties or situation, which increase is applied to a interval before